diff --git a/nix/base-system/.zshrc b/nix/base-system/.zshrc
index ffcaf44..4de4e2b 100644
--- a/nix/base-system/.zshrc
+++ b/nix/base-system/.zshrc
@@ -26,3 +26,12 @@ function wrkspc() {
     local session=$(basename $wd)
     tmux new -A -s $session
 }
+
+function kill_service_on_port() {
+    local port=$1
+    echo killings pids for port ${port}
+    for p in $(sudo lsof -nP -iTCP -sTCP:LISTEN | grep ${port} | awk '{ print $2 }'); do
+        echo killing pid: $p;
+        kill -9 $p;
+    done
+}